public function Data::itemLabel in Translation Management Tool 8

Returns a label for a data item.

Parameters

array $data_item: The data item array.

int $max_length: (optional) Specify the max length that the resulting label string should be cut to.

Return value

string A label for the data item.

File

src/Data.php, line 215

Class

Data

All data-related functions.

Namespace

Drupal\tmgmt

Code

public function itemLabel(array $data_item, $max_length = NULL) {
  if (!empty($data_item['#parent_label'])) {
    if ($max_length) {

      // When having multiple label parts, we don't know how long each of them
      // is, truncating each to the same length might result in a considerably
      // shorter length than max length when there are short and long labels.
      // Instead, start with the max length and repeat until the whole string
      // is less than max_length. Remove 4 characters per part to avoid
      // unecessary loops.
      $current_max_length = $max_length - count($data_item['#parent_label']) * 4;
      do {
        $current_max_length--;
        $labels = array();
        foreach ($data_item['#parent_label'] as $label_part) {

          // If this not the last part, reserve 3 characters for the delimiter.
          $labels[] = Unicode::truncate($label_part, $current_max_length, FALSE, TRUE);
        }
        $label = implode(t(' > '), $labels);
      } while (mb_strlen($label) > $max_length);
      return $label;
    }
    else {
      return implode(t(' > '), $data_item['#parent_label']);
    }
  }
  elseif (!empty($data_item['#label'])) {
    return $max_length ? Unicode::truncate($data_item['#label'], $max_length, FALSE, TRUE) : $data_item['#label'];
  }
  else {

    // As a last resort, fall back to a shortened version of the text. Default
    // to a limit of 50 characters.
    return Unicode::truncate($data_item['#text'], $max_length ? $max_length : 50, FALSE, TRUE);
  }
}